光电开关检测.doc

#include <reg51.H>

#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit P0_0 =P0^0;  //ADC0832 chip seclect
sbit P0_1 =P0^1;  //ADC0832 chip seclect
sbit P0_2 =P0^2;  //ADC0832 chip seclect
sbit P0_3 =P0^3;  //ADC0832 chip seclect

sbit P2_0=P2^0;  //ADC0832 clock signal
sbit P2_1=P2^1;  //ADC0832 clock signal
sbit P2_2=P2^2;  //ADC0832 clock signal
sbit P2_3=P2^3;  //ADC0832 clock signal

void main(void)
{ 
  while(1)
  {
if(P0_0==0) P2_0=0;
else P2_0=1;
if(P0_1==0) P2_1=0;
else P2_1=1;
if(P0_2==0) P2_2=0;
else P2_2=1;
if(P0_3==0) P2_3=0;
else P2_3=1;

  }
}